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32013104020 = 2253389472309
BaseRepresentation
bin11101110100001000…
…010011001110010100
310001122001022011221021
4131310020103032110
51011030323312040
622412343530524
72212212615532
oct356410231624
9101561264837
1032013104020
1112638620967
126255159a44
133032479b01
141799955152
15c7572924a
hex774213394

32013104020 has 24 divisors (see below), whose sum is σ = 67247497800. Its totient is φ = 12801436032.

The previous prime is 32013104017. The next prime is 32013104029. The reversal of 32013104020 is 2040131023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16366596624 + 15646507396 = 127932^2 + 125086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32013103985 and 32013104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013104029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168375 + ... + 303934.

It is an arithmetic number, because the mean of its divisors is an integer number (2801979075).

Almost surely, 232013104020 is an apocalyptic number.

It is an amenable number.

32013104020 is an abundant number, since it is smaller than the sum of its proper divisors (35234393780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32013104020 is a wasteful number, since it uses less digits than its factorization.

32013104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475707 (or 475705 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32013104020 its reverse (2040131023), we get a palindrome (34053235043).

The spelling of 32013104020 in words is "thirty-two billion, thirteen million, one hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 3389 6778 13556 16945 33890 67780 472309 944618 1889236 2361545 4723090 9446180 1600655201 3201310402 6402620804 8003276005 16006552010 32013104020